<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>2_使用js创建虚拟DOM</title>
</head>
<body>
    <!-- 1.准备好一个“容器” -->
    <div id="test"></div>
    <!-- 引入react核心库 -->
    <script src="../js/react.development.js"></script>
    <!-- 引入react-dom。用于支持react操作DOM -->
    <script src="../js/react-dom.development.js"></script>

    <script type="text/javascript">
    // 此处一定要写babel
    // 1.创建虚拟DOM
    // const VDOM = React.createElement(标签名，标签属性，标签内容)
    const VDOM = React.createElement('h1',{id:'title'},React.createElement('span',{},'Hello,React'))

    // 2.渲染虚拟DOM到页面
    // ReactDOM.render(虚拟DOM，容器)
    ReactDOM.render(VDOM,document.getElementById('test'))
    </script>
</body>
</html>